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<html xmlns="http://www.w3.org/1999/xhtml">
<body style="background:url(http://blogbeta.blueidea.com/UploadFiles/2006-4/426347463.gif)">
<script type="text/javascript" language="javascript">
//Author:Daviv
//Blog:http://blog.163.com/jxdawei
//Date:2006-10-27
//Email:jxdawei@gmail.com
			function Alert(str){
var objInfo=document.getElementById("bgDiv"); 
if (objInfo) return;
			var msgw,msgh,bordercolor;
			msgw=400;//提示窗口的宽度
			msgh=100;//提示窗口的高度
			titleheight=25 //提示窗口标题高度
            bordercolor="#808080";//提示窗口的边框颜色
			titlecolor="#7DC3F6";//提示窗口的标题颜色
			
			var sWidth,sHeight;
			sWidth=top.document.body.offsetWidth;
			sHeight=screen.height;
			var bgObj=top.document.createElement("div");
			bgObj.setAttribute('id','bgDiv');
			bgObj.style.position="absolute";
			bgObj.style.top="0";
			bgObj.style.background="";
			bgObj.style.filter="progid:DXImageTransform.Microsoft.Alpha(style=3,opacity=25,finishOpacity=75";
			bgObj.style.opacity="0.6";
			bgObj.style.left="0";
			bgObj.style.width=sWidth + "px";
			bgObj.style.height=sHeight + "px";
			bgObj.style.zIndex = "10000";
			top.document.body.appendChild(bgObj);
			
			var msgObj=top.document.createElement("div")
			msgObj.setAttribute("id","msgDiv");
			msgObj.setAttribute("align","center");
			msgObj.style.background="white";
		//	msgObj.style.border="8px solid " + bordercolor;
	    	msgObj.style.position = "absolute";
            msgObj.style.left = "50%";
            msgObj.style.top = "50%";
            msgObj.style.font="14px/1.6em Verdana, Geneva, Arial, Helvetica, sans-serif";
            msgObj.style.marginLeft = -msgw/2+'px';
            msgObj.style.marginTop = -msgh/2+'px';
            msgObj.style.width = msgw + "px";
            msgObj.style.height =msgh + "px";
            msgObj.style.textAlign = "center";
            msgObj.style.lineHeight ="25px";
            msgObj.style.zIndex = "10001";
			/* 后加的*/
			var bjObj=top.document.createElement('div');
			bjObj.style.position="absolute";
			bjObj.style.zIndex='10000';
			bjObj.style.width=msgw+16+'px';
			bjObj.style.height=msgh+16+'px';
			bjObj.style.left = "50%";
            bjObj.style.top = "50%";
			bjObj.style.marginLeft = -(msgw+8)/2+'px' ;
			bjObj.style.margintop = -(msgh+8)/2+'px';
			bjObj.style.background=bordercolor;
			bjObj.style.filter='alpha(opacity=50)';
			bjObj.style.opacity='0.5';
			bjObj.style.marginLeft="-208px";
			bjObj.style.marginTop="-58px";
   
		   var title=top.document.createElement("h4");
		   title.setAttribute("id","msgTitle");
		   title.setAttribute("align","right");
		   title.style.margin="0";
		   title.style.padding="6px";
		   title.style.background=titlecolor;
		   title.style.filter="progid:DXImageTransform.Microsoft.Alpha(startX=20, startY=20, finishX=100, finishY=100,style=1,opacity=75,finishOpacity=100);";
		   title.style.opacity="0.75";
		   title.style.border="1px solid " + bordercolor;
		   title.style.height="16px";
		   title.style.font="12px Verdana, Geneva, Arial, Helvetica, sans-serif";
		   title.style.color="white";
		   title.style.cursor="pointer";
		   title.innerHTML="关闭";
		   title.onclick=function(){
		        top.document.body.removeChild(bgObj);
                top.document.getElementById("msgDiv").removeChild(title);
                top.document.body.removeChild(msgObj);
				top.document.body.removeChild(bjObj); // 后加的
                }
		   top.document.body.appendChild(msgObj);
		   top.document.body.appendChild(bjObj); // 后加的
		   top.document.getElementById("msgDiv").appendChild(title);
		   var txt=top.document.createElement("p");
		   txt.style.margin="1em 0"
		   txt.setAttribute("id","msgTxt");
		   txt.innerHTML=str;
           top.document.getElementById("msgDiv").appendChild(txt);
                       setTimeout(function(){
              top.document.body.removeChild(bgObj);
              top.document.getElementById("msgDiv").removeChild(title);
              top.document.body.removeChild(msgObj);
top.document.body.removeChild(bjObj); //加上这句
       },782000);
            }
		</script>
<script type="text/javascript" src="alert.js"></script>
</script>
<a href='javascript:Alert("xxx");'>点击弹出!!!!!!!!!!!1</a>
</body>
</html>